Tube cap



FIG. 1 is a perspective view of a tube cap showing our new design;

FIG. 2 is a bottom plan view of the tube cap shown in FIG. 1 ;

FIG. 3 is a top plan view of the tube cap shown in FIG. 1 ;

FIG. 4 is a right-side elevational view of the tube cap shown in FIG. 1 ;

FIG. 5 is a left-side elevational view of the tube cap shown in FIG. 1 ; and,

FIG. 6 is a front elevational view of the tube cap shown in FIG. 1 , the back elevational view being a mirror image of the front elevational view.

The broken lines in the figures show portions of the design that form no part of the claimed design. 

CLAIM The ornamental design for a tube cap, as shown and described. 